Inventor · disambiguated record
Baldev Singh
Also filed as: SINGH BALDEV
65 granted patents·2 pending applications·1,077 citations·filing 1975–2006
99Inventor score
Files withSTERLING DRUG INC52COUNCIL SCIENT IND RES3SANOFI SA3STERLING WINTHROP INC3EASTMAN KODAK CO1
Top patents by PatentIndex Score
67 records- 0199US5294612A6-heterocyclyl pyrazolo [3,4-d]pyrimidin-4-ones and compositions and method of use thereofSTERLING WINTHROP INC·Filed 1992·Granted Mar 15, 1994·288 cites·15 claims
- 0297US4963561AImidazopyridines, their preparation and useSTERLING DRUG INC·Filed 1990·Granted Oct 16, 1990·106 cites·22 claims
- 0394US5541187A6-heterocycyclyl pyrazolo[3,4-d]pyrimidin-4-ones and compositions and method of use thereofSTERLING WINTHROP INC·Filed 1993·Granted Jul 30, 1996·56 cites·29 claims
- 0493US5573750ADiagnostic imaging x-ray contrast agentsNANOSYSTEMS LLC·Filed 1995·Granted Nov 12, 1996·127 cites·11 claims
- 0593US4524149A5-Alkanoyl-6-alkyl-2(1H)-pyridinones, their preparation and their cardiotonic useSTERLING DRUG INC·Filed 1983·Granted Jun 18, 1985·28 cites·19 claims
- 0690US4560691A5-(Phenyl)-1,6-naphthyridin-2(1H)-ones, their cardiotonic use and preparationSTERLING DRUG INC·Filed 1984·Granted Dec 24, 1985·35 cites·31 claims
- 0788US5656629A6-substituted pyrazolo (3,4-d)pyrimidin-4-ones and compositions and methods of use thereofSANOFI WINTHROP INC·Filed 1995·Granted Aug 12, 1997·70 cites·20 claims
- 0884US5977118A6-substituted pyrazolo[3,4-d]pyrimidin-4-ones and compositions and methods of use thereofSANOFI SA·Filed 1997·Granted Nov 2, 1999·49 cites·21 claims
- 0984US4504482A[5(or 4)-(Pyridinyl)-2-pyrimidinyl]ureas and cardiotonic use thereofSTERLING DRUG INC·Filed 1983·Granted Mar 12, 1985·14 cites·8 claims
- 1084US4413127APreparation of 1,2-dihydro-6-(lower alkyl)-2-oxo-5-(pyridinyl)nicotinonitrilesSTERLING DRUG INC·Filed 1982·Granted Nov 1, 1983·14 cites·6 claims
- 1183US3992380A5,8-Dihydro-5-oxo-2-(4-or 3-pyridinyl)pyrido[2,3-d]pyrimidine-6-carboxylic acids and estersSTERLING DRUG INC·Filed 1975·Granted Nov 16, 1976·11 cites·10 claims
- 1282US5010086AImidazopyridines, compositions and useSTERLING DRUG INC·Filed 1990·Granted Apr 23, 1991·23 cites·5 claims
- 1380US4347363AProcess for preparing 1,2-dihydro-6-methyl-2-oxo-5-(pyridinyl)nicotinonitrilesSTERLING DRUG INC·Filed 1981·Granted Aug 31, 1982·11 cites·3 claims
- 1476US4431651A2-Pyridinones and their use as cardiotonic agentsSTERLING DRUG INC·Filed 1982·Granted Feb 14, 1984·9 cites·17 claims
- 1575US4415580ACertain 2-(1H)-pyridinones cardiotonic compositions containing same and method of using sameSTERLING DRUG INC·Filed 1982·Granted Nov 15, 1983·13 cites·14 claims
- 1674US4008235AN-[2-(pyridinyl)-4-pyrimidinyl]ureasSTERLING DRUG INC·Filed 1975·Granted Feb 15, 1977·7 cites·9 claims
- 1772US4302462A4(or 3)-(3,4-Dihydroxyphenyl)pyridines, their cardiotonic use and cardiotonic use of their methyl ethersSTERLING DRUG INC·Filed 1980·Granted Nov 24, 1981·7 cites·5 claims
- 1871US5736548A6-aryl pyrazolo 3,4-D! pyrimidin-4-ones and compositions and method of use thereofSANOFI SA·Filed 1997·Granted Apr 7, 1998·26 cites·24 claims
- 1971US4412077AProcess for preparing 5-(lower-alkanoyl)-6-(lower-alkyl)-2(1H)-pyridinoneSTERLING DRUG INC·Filed 1982·Granted Oct 25, 1983·11 cites·7 claims
- 2069US4109092APreparation of 2-(pyridinyl)-4-pyrimidinaminesSTERLING DRUG INC·Filed 1976·Granted Aug 22, 1978·5 cites·8 claims
- 2168US5384107AIodinated aromatic compoundsSTERLING WINTHROP INC·Filed 1994·Granted Jan 24, 1995·9 cites·7 claims
- 2267US4432981A2-(Pyridinyl or hydroxyphenyl)-8-substituted pyrido[2,3-d]pyrimidin-5(8H)-onesSTERLING DRUG INC·Filed 1982·Granted Feb 21, 1984·11 cites·16 claims
- 2366US5075319APyridinyl-quinolone compounds, their preparation and useSTERLING DRUG INC·Filed 1989·Granted Dec 24, 1991·8 cites·13 claims
- 2466US4567186A5-Heteryl-1,6-naphthyridin-2(1H)-ones, cardiotonic use thereof and intermediates thereforSTERLING DRUG INC·Filed 1985·Granted Jan 28, 1986·12 cites·21 claims
- 2566US4473571A8-Substituted-2-(4-pyridinyl)-9H-purin-6-amines and their cardiotonic useSTERLING DRUG INC·Filed 1983·Granted Sep 25, 1984·5 cites·8 claims
- 2666US4297362A4-(3,4-Diaminophenyl)pyridine or salts, and use thereof as cardiotonicSTERLING DRUG INC·Filed 1980·Granted Oct 27, 1981·5 cites·5 claims
- 2765US5488133AIodinated aroyloxy ketonesEASTMAN KODAK CO·Filed 1994·Granted Jan 30, 1996·8 cites·8 claims
- 2865US4305943A4-Amino-6-(pyridinyl)-3(2H)-pyridazinones and their use as cardiotonicsSTERLING DRUG INC·Filed 1980·Granted Dec 15, 1981·5 cites·13 claims
- 2961US4346221APreparation of 4-amino-6-(pyridinyl)-3(2H)-pyridazinones from 6-(pyridinyl)-3(2H)-pyridazinonesSTERLING DRUG INC·Filed 1981·Granted Aug 24, 1982·4 cites·3 claims
- 3060US5603916A3 5-bis alkanoyl amino-2 4 6-triiodobenzyl estersNANO SYS LLC·Filed 1995·Granted Feb 18, 1997·20 cites·11 claims
- 3159US5169853APyridinyl-quinolone compounds, their preparation and useSTERLING DRUG INC·Filed 1991·Granted Dec 8, 1992·6 cites·9 claims
- 3258US4018770AN-(2-(pyridinyl)-4-pyrimidinyl)-aminomethylenemalonates and analogsSTERLING DRUG INC·Filed 1975·Granted Apr 19, 1977·8 cites·8 claims
- 3357US4650806ACardiotonic 5-(heterylcarbonyl)-pyridonesSTERLING DRUG INC·Filed 1985·Granted Mar 17, 1987·4 cites·12 claims
- 3456US4463008A2-Alkoxy-5-(pyridinyl)pyridines and cardiotonic use thereofSTERLING DRUG INC·Filed 1982·Granted Jul 31, 1984·5 cites·9 claims
- 3554US4697021A1,6-dihydro-6-oxo-3-pyridinecarbonitriles, intermediates for cardiotonic agentsSTERLING DRUG INC·Filed 1986·Granted Sep 29, 1987·3 cites·4 claims
- 3654US4560753A2-Substituted-pyrido[2,3-d]pyrimidin-5(8H)-onesSTERLING DRUG INC·Filed 1983·Granted Dec 24, 1985·3 cites·5 claims
- 3754US4331671A5-(Pyridinyl)-1H-benzimidazoles and 1-hydroxy-6-(pyridinyl)-1H-benzimidazoles and their cardiotonic useSTERLING DRUG INC·Filed 1981·Granted May 25, 1982·7 cites·18 claims
- 3853US5958929A6-aryl pyrazolo 3,4-d! pyrimidin-4-ones and compositions and methods of use thereofSANOFI SA·Filed 1998·Granted Sep 28, 1999·9 cites·24 claims
- 3953US4657915A1,6-naphthyridine-2(1H)-ones and their use as cardiotonic agentsSTERLING DRUG INC·Filed 1986·Granted Apr 14, 1987·3 cites·6 claims
- 4052US4086233A4-(Substituted-amino)-2-(pyridinyl) pyrimidine derivativesSTERLING DRUG INC·Filed 1977·Granted Apr 25, 1978·2 cites·1 claims
- 4151US4512993A4(Or 5)-(pyridinyl)-2-pyrimidinamines and cardiotonic use thereofSTERLING DRUG INC·Filed 1983·Granted Apr 23, 1985·2 cites·8 claims
- 4250US7345176B2Process for conversion of cyanopyridines to nicotinamides and catalyst therefor, process for preparing said catalystCOUNCIL SCIENT IND RES·Filed 2005·Granted Mar 18, 2008·0 cites·15 claims
- 4350US4469699A5-(4-Thiazolyl)-6-alkyl-2(1H)-pyridinones and their cardiotonic useSTERLING DRUG INC·Filed 1982·Granted Sep 4, 1984·2 cites·9 claims
- 4450US4053475AN-[2-(Pyridinyl)-4-pyrimidinyl]ureas preparationSTERLING DRUG INC·Filed 1976·Granted Oct 11, 1977·2 cites·3 claims
- 4549US6734309B1Process for the synthesis of isonicotinic acid hydrazideCOUNCIL SCIENT IND RES·Filed 2003·Granted May 11, 2004·1 cites·8 claims
- 4648US4118571A4-Acylamino-2-(pyridinyl)pyrimidine derivativesSTERLING DRUG INC·Filed 1977·Granted Oct 3, 1978·4 cites·1 claims
- 4748US2004191842A1Chemopreventive and therapeutic aspects of polyphenolic compositions and assaysMED COLLEGE GEORGIA RES INST·Filed 2003·Application pending·0 cites
- 4847US4451469ASelected 6-alkyl-and 4,6-dialkyl-2(1H)-pyridinones as cardiotonicsSTERLING DRUG INC·Filed 1982·Granted May 29, 1984·8 cites·10 claims
- 4944US4032523A4-amino (or halo or hydroxy or hydrazino)-2-(pyridinyl)pyrimidinesSTERLING DRUG INC·Filed 1976·Granted Jun 28, 1977·4 cites·10 claims
- 5043US7455827B2Process for preparing a catalyst for conversion of cyanopyridines to nicotinamidesCOUNCIL SCIENT IND RES·Filed 2006·Granted Nov 25, 2008·0 cites·5 claims
Showing the top 50 of 67 patent records by PatentIndex Score.
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